National Scientific 8-425 Septa

For 8-425 Screw Thread Caps

$21.00

Grouped product items
Product Name Part # Price Image Qty
8mm Septum, Red PTFE/White Silicone, 100/pack
NS-C401355
$26.40
8mm Septum, Red PTFE/White Silicone, 100/pack
8mm Septum, Red PTFE/White Silicone, 100/pack
NS-C401360
$22.00
8mm Septum, Red PTFE/White Silicone, 100/pack
8mm Septum, Blue PTFE/White Silicone, Pre-slit, 100/pack
NS-C401332
$56.00
8mm Septum, Blue PTFE/White Silicone, Pre-slit, 100/pack
8mm Septum, Red PTFE/White Silicone/Red PTFE, 100/pack
NS-C401340
$42.00
8mm Septum, Red PTFE/White Silicone/Red PTFE, 100/pack
8mm Septum, Ivory PTFE/Red Rubber, 100/pack
NS-C401330
$21.00
8mm Septum, Ivory PTFE/Red Rubber, 100/pack
8mm Septum, Virgin PTFE, 10mil, 1000/case
NS-C401310
$68.00
8mm Septum, Virgin PTFE, 10mil, 1000/case
8mm Septum, Tan PTFE/White Silicone, 1000/case
NS-C401361
$283.00
8mm Septum, Tan PTFE/White Silicone, 1000/case

* PTFE Disk septa are chemically inert

* PTFE Red Rubber septa are economical for many GC applications

* PTFE/Silicone septa are most popular for HPLC and IC applications

* Pre-slit septa are easier to pierce with thin gauge needles

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